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Senior Data Scientist
Data Scientist
Senior Data Scientist: Marketing Analytics & Experimentation
Truebill 3.6
Senior data scientist job in San Francisco, CA
A leading fintech company in San Francisco is seeking a SeniorDataScientist to optimize marketing strategies through data analysis and experimentation. The ideal candidate will have over 6 years of experience in data science, along with strong skills in SQL and experiment design. This role involves designing internal predictive tools and collaborating across multiple teams to implement insights that improve marketing effectiveness. Competitive salary and benefits offered.
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$139k-190k yearly est. 4d ago
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Senior Data Scientist, Healthcare AI & Payer Analytics
Onos Health Inc.
Senior data scientist job in San Francisco, CA
A pioneering healthcare AI company in California is seeking a Principal DataScientist to lead the development of core analytics and AI models. This hands-on role involves working with healthcare data to enhance payer decision-making and drive significant healthcare improvements. Candidates should have over 8 years of experience in data science, expertise in statistical modeling and ML, and strong communication skills. Join a dynamic team, focused on transforming healthcare efficiency while enjoying a flexible hybrid work environment.
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$122k-174k yearly est. 4d ago
Senior Data Scientist
Grindr LLC
Senior data scientist job in Palo Alto, CA
This is a
hybrid
role based in our Bay Area or Chicago offices and will require you to be in office Tuesdays and Thursdays.
What's so interesting about this role?
Grindr (NYSE: GRND) is the largest LGBTQ+ Social App in the world, used by over 14M+ monthly users in nearly every country in the world. We are a fundamental part of the global LGBTQ+ community and are a pillar in gay culture.
As a SeniorDataScientist at Grindr, you'll partner closely with product managers, designers, and engineers to define meaningful metrics, design and analyze experiments, and uncover insights that inform product development. You'll contribute to data products and experimentation, and help shape how we use data to improve the user experience. This role is ideal for someone who is technically strong, curious, and eager to deepen their product thinking and analytical leadership.
You'll be a valued member of Grindr's centralized Data organization, which brings together datascientists, data engineers, and ML/AI engineers into a collaborative team. You'll have the opportunity to grow your impact while learning from peers across disciplines.
What's the job?
Define and track key product metrics in collaboration with cross-functional partners
Design, run, and analyze A/B tests to evaluate the impact of new features
Perform data deep dives to explain trends and uncover actionable insights
Communicate findings clearly to stakeholders and influence product decisions
Build dashboards and tools to help teams monitor metrics and make data-informed decisions
Contribute to the development of best practices within the Data Science team
Explore and prototype ML applications to improve product quality (e.g., recommendations, spam detection)
What we'll love about you
BS or higher in Computer Science, Statistics, Mathematics, Physics, a related quantitative field, or equivalent experience
4+ years of industry data science experience
Strong communication skills and comfort working with cross-functional partners
Proficiency in Python for data analysis (e.g., pandas, Jupyter)
Strong SQL skills and experience working with large-scale data
Solid foundation in statistics and experimental design
Familiarity with BI tools like Looker, Tableau, or PowerBI
Some exposure to big data tools like Spark is a plus
We'll Really Swoon If You Have
Exposure to machine learning, especially practical tradeoffs in product settings
Experience with experimentation platforms like Statsig
Clear communication style and interest in mentoring peers or sharing best practices
What you'll love about us
Mission and Impact: Grindr is building the global gayborhood in your pocket. Your role will impact the lives of millions of LGBTQ+ people around the world. Through our success, we are making a world where the lives of our community are free, equal, and just.
Family Insurance: Insurance premium coverage for health, dental, and vision for you and partial coverage for your dependents.
Retirement Savings: Generous 401K plan with 6% match and immediate vest in the U.S.
Compensation: Industry-competitive compensation and eligibility for company bonus and equity programs.
Queer-Inclusive Benefits: Industry-leading gender-affirming offerings with up to 90% cost coverage, access to Included Health, monthly stipends for HRT, and more.
Additional Benefits: Flexible vacation policy, monthly stipends for cell phone, internet, wellness, food, and commuting, breakfast/lunch provided onsite, and yearly travel & leisure stipend.
About Grindr
Grindr is building the global gayborhood in your pocket. With more than 13.5 million monthly active users, Grindr has become a fundamental part of the LGBTQ+ community and is charting a path to make the world more free, equal, and just. Since 2015, Grindr for Equality has advanced safety, health, and human rights for millions of Grindr users and the global LGBTQ+ community in partnership with more than 100 community organizations in every region of the world.
Our next evolution is underway as a public company that continues to grow and build meaningful experiences for our users. From social issues to product innovations, we're setting audacious goals for our community and the business, and leveraging the latest tech stacks and a culture of engineering excellence to make it happen. At the heart of our work in this new chapter is a shared set of operating principles centered around cultivating curiosity, thinking big, setting and expediting our ambitious goals, and growing through iteration; all while keeping our users #1.
Grindr is headquartered in West Hollywood, California, with offices in the Bay Area, Chicago, and New York. With a track record of strong financial performance and plans for continued headcount growth, we're building a team of talented, passionate, and open-minded people who want to disrupt the dating app space, innovate products, and advance LGBTQ+ culture. Come be a part of this exciting journey with us.
Grindr is an equal-opportunity employer
To learn more about how we handle the personal data of applicants, visit our
Employee and Candidate Privacy Policy
.
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$122k-174k yearly est. 4d ago
Senior AI Data Scientist - ML & BI Platform Lead
Peppermill 4.4
Senior data scientist job in San Francisco, CA
A leading tech company in San Francisco is seeking an AI DataScientist to develop scalable solutions and improve business intelligence through data insights. The ideal candidate will possess expertise in Python, SQL, and statistical modeling with a minimum of 6-10 years' experience. Responsibilities include maintaining data management systems, collaborating on product roadmaps, and engaging in cross-functional projects. This role offers the opportunity to work in a dynamic environment and contribute to innovative applications.
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$121k-159k yearly est. 4d ago
Senior Data Scientist
Rich Data Co
Senior data scientist job in San Jose, CA
About RDC.AI
What started in 2016 with five people and two chairs has become a global force transforming how banks lend, grow, and protect their portfolios. RDC.AI helps business and commercial bankers know more, do more, and grow more by turning complex data into actionable intelligence. Our platform uniquely combines predictive and agentic AI to deliver transparent, explainable insights across the entire lending lifecycle from origination to monitoring. With built-in AI assistants and clear rationales for every recommendation, we empower banks across the globe to make confident decisions faster, launch innovative products, and generate tens of millions of dollars in measurable value. We're not just building AI - we're pioneering the future of intelligent banking, where every decision is explainable, every insight is actionable, and every outcome real impact.
Join the AI RevolutionAward-Winning Innovation
Winner: The Digital Banker's 2025 Global AI Innovation Awards (Best AI-Powered Platform)
Two-time finalist: American Chamber of Commerce Alliance Awards (Advanced Capabilities category)
Cutting-EdgeTechnology
Building agentic AI solutions that solve real world banking problems
Wearelive in major banks, making millions of decisions, generating tens of millions in value
Highest security accreditations: SOC2 Type 2 and ISO 27001 certified
5-Star Employer Experience
Named "Best Companies to Work For" by HRD Australia (2023)
High-performance teams working alongside industry-leading datascientists and credit experts
Vibrant, innovative culture that celebrates wins and solves complex problems together
Global Impact & Growth
Fast-expanding presence across Australia, New Zealand, and North America
Helping drive financial inclusion through fair, accessible, sustainable credit
Opportunity to gain AIexpertiseand international experience in a rapidly growing market
Work-Life Excellence
Flexible working arrangements - workhow'sright for you
Collaborative, agile environment where your contributions matter
Be part of a missionthat'stransforming financial services globally
RDC.AI North America offers:
Competitive benefits package (80% of premiums paid by RDC.ai)
12 paid holidays
20 days PTO per year + 5 paid personal or sick days per year
Paid Maternity/Paternity leave
Ready to shape the future of intelligent banking? Join us.About the Role
RDC.AI is a cloud native AI Decisioning company and the Data Science function is key to our organizational success. As we look to expand in North America, we are looking for a SeniorDataScientist to join our North America team. A Sr DataScientist will work closely with our customers on developing AI/ML based solutions to solve complex credit-based decisions in the Business and Commercial lending space. Key responsibilities will include:
Design, present & document AI-based initiatives to our clients, typically banking and risk executives.
Develop use cases for clients with clear objectives and success criteria, matching our AI platform capabilities and client needs.
Assist in developing data processing solutions and machine learning models to address the business objectives of our clients using RDC.AI platform.
Assist in developing AI/ML based solutions to be deployed on the RDC.AI platform for clients across use cases in Business and Commercial lending within North America.
Help mentor and train junior datascientists on RDC.AI methodologies, AI/ML best practices and credit risk modelling methodologies in the Business and Commercial lending space.
About the CandidateEssential-Experience/Skills
Bachelor's degree in Statistics, Mathematics, Physics, Computer Science, or other Quantitative related degree.
5+ years of data science experience, ideally in credit risk or financial services.
Experience developing and managing quantitative credit risk models including credit decisioning models.
Programming experience in Python for 3+ years.
Programming in SQL for 1+ years.
Knowledge of data discovery, statistics, and data-driven model discovery, development, and validation, and tracking.
Ability to learn and adapt to new or emerging modeling techniques (e.g., LLM, GenAI, LSTM, etc.)
Experience presenting to technical, and non-technical stakeholders, including senior leadership.
Excellent communication and client engagement skills.
Ability to travel within North America (estimated 25% travel).
Desired-Experience/Skills
Advanced degree in Statistics, Mathematics, Physics, Computer Science, or other Quantitative related degree.
Experience with commercial and/or business lending.
Experience working with traditional and non-traditional data sources such as transaction, accounting, and e-commerce data.
Understanding the decision-making process behind the lending process.
Experience in credit risk analysis, strategy design, and monitoring.
Experience with additional programming languages is nice-to-have (e.g., Java, Scala, R, SAS, Perl, etc.)
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$121k-173k yearly est. 4d ago
Principal Data Scientist
Tarana Wireless Inc. 4.1
Senior data scientist job in Milpitas, CA
Join the Team That's Redefining Wireless Technology
At Tarana, we're more than just a fast-growing tech company-we're a team of bold innovators on a mission to revolutionize broadband. Our groundbreaking Fixed Wireless Access technology is delivering fiber-class internet speeds worldwide, bridging the digital divide in ways previously thought impossible.
We're looking for anexceptional Principal DataScientist to join our team and drive innovation through advanced analytics and machine learning. In this lead role, you will shape our data science strategy, mentor talented team members, and deliver high-impact solutions that transform how we leverage data to achieve business objectives.
What You'll Do:
Lead end-to-end data science projects from problem formulation through model development, deployment, and monitoring in production environments.
Design and implement advanced machine learning algorithms, statistical models, and AI solutions that drive business value.
Provide technical leadership and mentorship to junior datascientists and data engineers, fostering a culture of excellence and continuous learning.
Partner with engineering teams to architect scalable data pipelines and ML infrastructure.
Establish best practices for experimentation, model training, model evaluation, and monitoring.
Stay current with the latest advancements in data science, machine learning, and artificial intelligence.
Collaborate with cross‑functional teams, including product, engineering, and business stakeholders, to identify and address key business challenges.
Present findings and recommendations to senior leadership and other stakeholders.
What You'll Need:
Master's or Ph.D. in Computer Science, Statistics, Mathematics, or a related quantitative field.
10+ years of experience in data science or a related field (at least the last 5 years in data science), with a proven track record of leading impactful projects that achieve clear customer outcomes through product delivery.
Deep expertise in machine learning techniques, including supervised and unsupervised learning, deep learning, NLP, computer vision, or reinforcement learning.
Strong programming skills in Python or R, with experience in ML frameworks (TensorFlow, PyTorch, scikit‑learn).
Proficiency in SQL and experience working with large‑scale datasets and distributed computing frameworks (Spark, Dask).
Demonstrated experience deploying models to production and monitoring model performance.
Demonstrated cross‑functional experience with diverse teams across the organization.
Excellent communication skills with the ability to explain complex technical concepts to non‑technical audiences.
Strong business acumen and ability to connect data science work to organizational objectives.
Experience mentoring and developing junior team members.
Bonus Points For:
Experience in cloud platforms (AWS, GCP, Azure) and MLOps practices.
Track record of publishing research or contributing to open‑source projects.
Experience with A/B testing and causal inference methodologies.
Knowledge of data engineering principles and ETL processes.
Leadership experience in managing or leading data science teams.
What we offer:
We don't just build next‑gen wireless technology - we build people.
The salary range for this position is: $200,000 to $260,000
Compensation will be determined based on several factors including, but not limited to: skill set, years of experience and the employee's geographic location.
Tarana provides competitive benefits to employees in this role including: Medical, dental and vision benefits, 401K match, flexible time off and stock option.
Join Tarana and help shape the future of wireless connectivity.
About Us
Tarana's mission is to accelerate the deployment of fast, affordable, and reliable internet access around the world. Through a decade of R&D and over $400M of investment, the Tarana team has created and continues to enhance a suite of next‑generation fixed wireless access (ng FWA) technologies. Its unique ng FWA platform delivers game‑changing advances in broadband economics in mainstream and underserved markets, using both licensed and unlicensed spectrum. Tarana's ng FWA technology has been embraced by more than 300 service providers in 24 countries. Tarana is headquartered in Milpitas, California, with additional research and development in Pune, India. Learn more at ***********************
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$200k-260k yearly 2d ago
Data Scientist - Secret Cleared ML/Analytics
Columbia Group 4.2
Senior data scientist job in San Diego, CA
A technical services support company is seeking Junior to Senior Level DataScientists to join their team across various locations in the U.S. Candidates will develop analytics applications, apply machine learning, and visualize data findings. Required qualifications include education or extensive experience in relevant fields, along with security clearance. Comprehensive benefits package included.
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$91k-122k yearly est. 5d ago
Data Scientist, Product
Openai 4.2
Senior data scientist job in San Francisco, CA
Data Science - San Francisco and Seattle
Our Applied team brings OpenAI technologies to consumers and businesses around the world. We collaborate across research, engineering, design and business functions to turn cutting-edge AI advancements into impactful real-world applications. Our team has been behind notable product launches (ChatGPT , API , Sora ), creating tools that help developers write code, enable businesses to operate more efficiently, and empower individuals to learn and create. As AI capabilities rapidly evolve, we focus on ensuring that our products are safe, accessible, and beneficial to all.
About the Role
As a DataScientist on the Applied Product team, you will contribute to a data-driven product development culture for consumer and enterprise products at OpenAI. This is critical as our products reach millions of users and businesses worldwide. We are focused on aligning both research and product development to drive measurable impact for these individuals and organizations alike.
You should expect to define our north-star metrics, design A/B tests, and establish source-of-truth dashboards that the entire company can use to answer their own product questions. Most importantly, you should expect to be a core member of the product development team.
This role is based in San Francisco, CA or Seattle, WA. We use a hybrid work model of 3 days in the office per week and offer relocation assistance to new employees.
In this role, you will:
Embed with the product development team as a trusted partner, uncovering new ways to improve the product and drive growth
Define and interpret A/B tests that help answer critical questions about the impact of model and UX changes to our product
Establish a data-driven product development culture by defining, tracking, and operationalizing feature-, product-, and company-level metrics
Develop and socialize dashboards, reports, and other ways of enabling the team and company to answer product data questions in a self-serve way
You might thrive in this role if you have:
5+ years experience in a quantitative role navigating highly ambiguous environments, ideally as an early datascientist or product analyst at a hyper-growth product company or research org
Proposed, designed, and run rigorous experiments with clear insights and product recommendations utilizing SQL and Python
Defined, implemented, and operationalized new feature and product-level metrics from scratch
Excellent communication skills with demonstrated ability to communicate with product managers, engineers, and executives alike
Strategic insights beyond the paradigm of statistical significance testing
You could be an especially great fit if you have:
Strong programming background, with ability to run simulations and prototype variants
Experience validating quantitative insights with qualitative methods (e.g. surveys, UXR)
Demonstrated prior experience in NLP, large language models, or generative AI
About OpenAI
OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. We push the boundaries of the capabilities of AI systems and seek to safely deploy them to the world through our products. AI is an extremely powerful tool that must be created with safety and human needs at its core, and to achieve our mission, we must encompass and value the many different perspectives, voices, and experiences that form the full spectrum of humanity.
We are an equal opportunity employer, and we do not discriminate on the basis of race, religion, color, national origin, sex, sexual orientation, age, veteran status, disability, genetic information, or other applicable legally protected characteristic.
Qualified applicants with arrest or conviction records will be considered for employment in accordance with applicable law, including the San Francisco Fair Chance Ordinance, the Los Angeles County Fair Chance Ordinance for Employers, and the California Fair Chance Act. For unincorporated Los Angeles County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: protect computer hardware entrusted to you from theft, loss or damage; return all computer hardware in your possession (including the data contained therein) upon termination of employment or end of assignment; and maintain the confidentiality of proprietary, confidential, and non-public information. In addition, job duties require access to secure and protected information technology systems and related data security obligations.
To notify OpenAI that you believe this job posting is non-compliant, please submit a report through this form . No response will be provided to inquiries unrelated to job posting compliance.
We are committed to providing reasonable accommodations to applicants with disabilities, and requests can be made via this link .
At OpenAI, we believe artificial intelligence has the potential to help people solve immense global challenges, and we want the upside of AI to be widely shared. Join us in shaping the future of technology.
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$124k-169k yearly est. 2d ago
Principal Data Scientist, AI & Anomaly Detection
Cisco Systems 4.8
Senior data scientist job in San Francisco, CA
A leading global technology company in San Francisco seeks a senior software engineer with expertise in anomaly detection and machine learning. You will lead projects to develop scalable cloud-based solutions, collaborating with teams and mentoring others in advanced AI techniques. A PhD or equivalent experience is essential, along with proven leadership in cloud architecture. The role offers a competitive salary and extensive benefits including paid time off and flexible working arrangements.
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$128k-161k yearly est. 1d ago
Senior Data Scientist
Roku, Inc. 4.9
Senior data scientist job in San Jose, CA
Teamwork makes the stream work. Roku is changing how the world watches TV
Roku is the #1 TV streaming platform in the U.S., Canada, and Mexico, and we've set our sights on powering every television in the world. Roku pioneered streaming to the TV. Our mission is to be the TV streaming platform that connects the entire TV ecosystem. We connect consumers to the content they love, enable content publishers to build and monetize large audiences, and provide advertisers unique capabilities to engage consumers.
From your first day at Roku, you'll make a valuable - and valued - contribution. We're a fast-growing public company where no one is a bystander. We offer you the opportunity to delight millions of TV streamers around the world while gaining meaningful experience across a variety of disciplines.
About the team
The Core Analytics Team is a centralized function dedicated to providing data-driven insights to drive business and product success. We work closely with our Product, Engineering, and Marketing teams to deliver exceptional experiences to our customers while maximizing the value proposition for the business.
About the role
Roku is looking for a Sr. Datascientist to join the Core Analytics team supporting recommendations and personalization products. In this role, you will leverage data analytics to support and improve our recommendations and personalization initiatives, identifying trends, mitigating risks, and providing actionable insights. You will work closely with product management and engineering to identify opportunities to create new features, drive their adoption, and generate value for Roku. This individual will investigate and develop solutions to track, monitor and improve our ecosystem. The successful candidate is quantitatively driven, detail-focused, and possesses an elevated level of problem-solving expertise.
For California Only - The estimated annual salary for this position is between $132,000-$254,000 annually. Compensation packages are based on factors unique to each candidate, including but not limited to skill set, certifications, and specific geographical location. This role is eligible for health insurance, equity awards, life insurance, disability benefits, parental leave, wellness benefits, and paid time off.
Roku will be accepting applications for this position until November 27, 2025 [or until the position filled].
What you'll be doing
Collaborate with stakeholders to align data science initiatives with organizational goals and strategy design and execute AB tests
Translate complex analyses into clear executive narratives and dashboards, driving consensus on priorities and accelerating delivery across the board.
Develop and maintain dashboards, reports, and data visualizations to monitor key metrics for operational and systems health
Analyze structured and unstructured data and communicate insights to help stakeholders solve business problems, identify trends and make data-driven decisions
Develop necessary data pipelines to power automation, validation and reporting
Develop analytical tools (real-time alerts, models, etc.) to understand what drives success for our mobile platform
Perform exploratory data analysis on emerging trends and execute advanced analysis across the Roku Platform
Collaborate with the Program Management and Engineering team to proactively seek and incorporate feedback
Providing feedback directly to leadership on performance of various initiatives and untapped opportunities
We're excited if you have
5+ years of work experience with a bachelor's degree or master's degree in quantitative field (e.g., Statistics, Business Analytics, Data Science, Mathematics, Economics, Engineering or Computer Science)
5+ years of experience across consumer product, digital media or entertainment industries
Expertise in SQL, SAS, R, Python or other programming language to query data and perform analysis
Hands on experience with visualization tools like Tableau or Looker
Have a bias towards action in resolving issues and operate in a high-energy, fast-paced environment
Hands on experience in A/B testing and statistical modeling/forecasting
Benefits
Roku is committed to offering a diverse range of benefits as part of our compensation package to support our employees and their families. Our comprehensive benefits include global access to mental health and financial wellness support and resources. Local benefits include statutory and voluntary benefits which may include healthcare (medical, dental, and vision), life, accident, disability, commuter, and retirement options (401(k)/pension). Our employees can take time off work for vacation and other personal reasons to balance their evolving work and life needs. It's important to note that not every benefit is available in all locations or for every role. For details specific to your location, please consult with your recruiter.
The Roku Culture
Roku is a great place for people who want to work in a fast-paced environment where everyone is focused on the company's success rather than their own. We try to surround ourselves with people who are great at their jobs, who are easy to work with, and who keep their egos in check. We appreciate a sense of humor. We believe a fewer number of very talented folks can do more for less cost than a larger number of less talented teams. We're independent thinkers with big ideas who act boldly, move fast and accomplish extraordinary things through collaboration and trust. In short, at Roku you'll be part of a company that's changing how the world watches TV.
We have a unique culture that we are proud of. We think of ourselves primarily as problem-solvers, which itself is a two-part idea. We come up with the solution, but the solution isn't real until it is built and delivered to the customer. That penchant for action gives us a pragmatic approach to innovation, one that has served us well since 2002.
To learn more about Roku, our global footprint, and how we've grown, visit ************************************
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$132k-254k yearly 4d ago
Data Scientist for DoD Navy Analytics & ASW SHAREM
Thor Solutions, LLC 3.9
Senior data scientist job in San Diego, CA
A defense contracting company in San Diego is seeking a Mid-Level DataScientist to support the US Navy on a key project. Responsibilities include system administration for Naval Ship Tracking, software engineering for data analysis tool development, and database management. Ideal candidates have significant Navy network experience, Python expertise, and require a DoD Secret clearance. The position offers a competitive salary range of $63,750 - $89,250 and various benefits including medical and 401(k).
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$63.8k-89.3k yearly 5d ago
Data Scientist (MMM)
Data Freelance Hub 4.5
Senior data scientist job in San Bruno, CA
This role is for a DataScientist (MMM) on a 6‑month contract, paying $50+/hour, remote in the U.S. Requires a Ph.D., 3+ years in data analytics, and experience with MMM, digital marketing, SQL, Python, and cloud technologies.
Responsibilities
Perform hands‑on coding to retrieve and analyze large datasets using Python and SQL
Integrate disparate data sources and leverage state‑of‑the‑art analytics best practices to deliver integrated, actionable insights to partners and stakeholders
Manage and streamline the data extraction process with great attention to detail
Assess the potential usefulness, validity, and rigor of new data sources
Work with a cross‑functional team to ensure that the quality of the data is of the highest standard
Help with media mix models to connect the impact of marketing tactics and business short‑term and long‑term outcomes
Qualifications
Ph.D. degree in statistics/mathematics, engineering, computer science, economics, or a related field
3+ years of industry experience in a data, analytics, and data science role
Experience with advertising, measurement, and/or digital marketing analytics
Experience with advertising technology platforms, Ad servers, DSPs, DMPs, etc.
Proficient coding skills (SQL/Python/R)
Deep knowledge of relational database capabilities and experience with big data technologies (Hive/Hadoop)
Proficient BI/BA data visualization tools (Tableau, Power BI, ThoughtSpot, Looker, etc.)
Experience working with Marketing Mix Modeling (MMM) and/or Multi‑Touch Attribution Models (MTA)
Experience with modeling and machine learning
Experience with cloud technologies such as GCP, AWS, and Azure
Experience in integrating, structuring, and analyzing large amounts of data from diverse sources
Strong project management skills, attention to detail, and documentation skills
Strong written and verbal communication with the ability to communicate complex technical topics clearly to a range of audiences and ‘tell a story that provides insight into the business
Passion for working in a fast‑paced agile environment
A collaborative mindset and sense of curiosity
Experience with predictive modeling algorithms and optimization techniques
Experience applying statistics to business problems
About FocusKPI
FocusKPI is a data science and technology firm specializing in predictive analytics practice and methodologies. Founded in 2010, FocusKPI, Inc. (FocusKPI) is a U.S. company headquartered in Silicon Valley, California with an East Coast office in Boston, Massachusetts.
85 Great Portland Street, London, England, W1W 7LT
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$50 hourly 1d ago
Applied Product Data Scientist - Growth & Experiments
Openai 4.2
Senior data scientist job in San Francisco, CA
A leading AI research firm in California seeks a DataScientist to enhance product development through data-driven insights. The role involves defining metrics, executing A/B tests, and collaborating with teams to answer data questions. Ideal candidates will have strong SQL and Python skills and a track record of navigating ambiguous environments. The position offers a hybrid work model with relocation assistance.
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$124k-169k yearly est. 2d ago
Lead Data Scientist, Generative AI & Anomaly Detection
Cisco Systems 4.8
Senior data scientist job in San Jose, CA
A leading technology company is seeking an experienced engineer to join their team focused on building intelligent ML systems for observability. The ideal candidate will have a PhD in Computer Science or a related field, along with significant experience in cloud-based architectures like AWS or Azure. Responsibilities include leading the development of machine learning algorithms and enhancing AI features across platforms. This position offers an attractive salary and extensive benefits, including flexible vacation policies and a comprehensive insurance package.
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$128k-160k yearly est. 1d ago
Senior Data Scientist: Personalization & Recommendations
Roku, Inc. 4.9
Senior data scientist job in San Jose, CA
A leading streaming technology company in San Jose is seeking a Sr. DataScientist to support recommendations and personalization products. You'll leverage data analytics to identify trends, mitigate risks, and provide actionable insights while collaborating closely with product management and engineering. The ideal candidate has over 5 years of experience in data science and is proficient in SQL, Python, and A/B testing. This role offers competitive compensation and a comprehensive benefits package.
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$158k-207k yearly est. 4d ago
Data Scientist (Navy/DoD)
Thor Solutions, LLC 3.9
Senior data scientist job in San Diego, CA
THOR Solutions is actively seeking a Mid-Level DataScientist to support the US Navy Ship Anti-Submarine Warfare (ASW) Readiness and Effectiveness Measuring (SHAREM) at Surface and Mine Warfighting Development Center (SMWDC) in San Diego, CA.
This position is associated with an upcoming contract that THOR is pursuing, with an estimated award/work start late 2025. We are conducting preliminary, “contingent” hiring for roles associated with this contract. The work start is dependent upon THOR being awarded this contract.
Typical Responsibilities:
System administration for Naval Ship Tracking, Reporting and Analysis Tool (NSTRAT) System, to monitor the application and/or services and troubleshoot issues affecting availability
Software Engineering and testing to develop data analysis tools and event reconstruction
Performs database entry, management, and monitors automated back-up
Performs database query analysis
Location:
Onsite at Surface and Mine Warfighting Development Center (SMWDC) in San Diego, CA.
Travel Requirements:
Up to 10% travel is anticipated.
Typical Physical Activity:
Primarily desk/computer work in an office environment. Periodic visits to waterfront/shipboard environments. May involve: repetitive motion, traversing shipboard environments (e.g., confined spaces, ladders, hatches), speaking or vision.
Typical Pay Range:
The anticipated pay range for this position in the identified location(s) is $63,750 - $89,250/year. Actual compensation offered will be based upon individual factors including education, qualifications, and experience.
Existing Security Clearance Required:
This position requires a DoD Secret security clearance. A qualified candidate must already possess an active or interim security clearance. A candidate with especially strong, relevant experience but no active security clearance may still be considered, but work start would be dependent upon a new Secret clearance being awarded.
Typical Knowledge, Skills, and Abilities:
High School diploma, GED, or equivalent
Five (5) years of Navy experience managing Navy computer networks
Three (3) years of experience using Python and other programming tools to script data analysis products
Hold and maintain certifications and/or training to maintain FLANKSPEED IL6 AZURE Privileged Access to include:
Scripting language such as Python with SQL server relational database
Security+ certification
AZURE Administrator Associate AZ-104
Proficient with common productivity software, including the Microsoft Office suite.
Excellent communication skills.
Benefit Offerings:
Along with competitive pay, THOR offers a comprehensive benefits package including:
Paid Time Off (accrued)
Paid Holidays
401(k) with employer match and traditional/Roth options
Medical Insurance (3 plan options) + TRICARE Supplemental Coverage
Dental Insurance (2 plan options)
Vision Insurance Plan
Healthcare and Dependent Care Flexible Spending Accounts
Commuter/Transit Benefits
Basic Life/AD&D, Short-Term and Long-Term Disability Insurance
Supplemental Life Insurance
Pet Benefits
Legal Resources
ID Theft Benefits
Employee Assistant Plan and Work-Life Program
Voluntary Leave Transfer Program
Tuition Reimbursement Program
Employee Referral Program
Please be aware that many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens.
THOR is proud to be an Equal Opportunity Employer, including veterans and individuals with disabilities. THOR considers all qualified applicants for employment without regard to legally protected characteristics. This policy applies to all terms and conditions of employment.
If you are an individual with a disability and would like to request a reasonable accommodation as part of the employment selection process, please contact us at *************************** or **************.
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$63.8k-89.3k yearly 5d ago
Strategic Finance Data Scientist - Growth, Causal Modeling
Openai 4.2
Senior data scientist job in San Francisco, CA
A leading AI research company is seeking a DataScientist for their Strategic Finance team in San Francisco. You will design and implement critical models while collaborating with finance and cross-functional teams. The ideal candidate has deep expertise in predictive modeling and causal inference, with at least 7 years of experience in a quantitative role. This position offers a hybrid work model and a competitive salary range of $255K - $405K.
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$124k-169k yearly est. 3d ago
Data Scientist, FinEng - Checkout & Monetization
Openai 4.2
Senior data scientist job in San Francisco, CA
A leading AI organization in San Francisco seeks a DataScientist to enhance its checkout and payments systems. The role requires strong analytical skills and fluency in SQL and Python. You will lead experiments that drive revenue and improve user experience through data-backed strategies. An ideal candidate has over 5 years in quantitative roles, especially in fintech environments. The position supports a hybrid work model and offers relocation assistance.
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$124k-169k yearly est. 2d ago
Data Scientist
Openai 4.2
Senior data scientist job in San Francisco, CA
About the Team
The Strategic Finance team is responsible for some of the largest investment categories at OpenAI. We play a critical role in maximizing OpenAI's long-term value by partnering across the business to allocate and deploy resources for the highest-impact outcomes. We work cross-functionally with Finance, Product, Engineering, and Go-To-Market teams to deliver actionable insights and support strategic decision-making.
About the Role
As one of the founding DataScientists on the Strategic Finance Data Science team, you will design, implement, and own critical models, reporting, and analysis. You will work closely with Finance leadership, as well as teams across Research, Applied and Go-To-Market.
This role requires deep expertise in predictive modeling, causal inference, and the ability to surface insights to support high-stakes decision-making.
This role is based in our San Francisco HQ. We use a hybrid work model of three days in the office per week and offer relocation assistance to new employees.
In this role, you will:
Become an expert in OpenAI's data and systems. Partnering with Data Engineering, Finance, and other teams, you'll self-serve data to derive critical insights.
Scale causal inference models to measure the impact of different actions on user growth and financial outcomes.
Architect customer segmentation frameworks to unlock tailored growth strategies and expand lifetime value.
Automate standardized reporting and analysis by building data products or agentic solutions.
Support product pricing and other business decisions with ad hoc analysis.
Design and deliver dashboards for leadership to track key performance indicators and enable optimal decision-making.
Manage and lead cross-functional data science projects end-to-end.
You might thrive in this role if you have:
MS or PhD in a quantitative field, with 7+ years of experience in a highly quantitative role, ideally as an early datascientist at a hyper-growth company or research organization.
Proficiency in Python, SQL, Tableau, and other analytical tools.
Strong analytical skills and experience working with large, complex data sets.
Proven ability to distill complex data into actionable insights for leadership.
Ability to independently initiate and complete projects, owning them end-to-end.
Excellent communication and storytelling skills when presenting data insights.
Exceptional attention to detail and a commitment to accuracy.
You could be an especially great fit if:
You're an enthusiastic self-starter who thrives in fast-paced, dynamic environments.
You're a phenomenal teammate and communicator, able to explain complex topics with clarity and keep stakeholders proactively informed.
You're passionate about technology and artificial intelligence.
You use first-principles thinking to design solutions from the ground up based on user needs and operational realities.
About OpenAI
OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. We push the boundaries of the capabilities of AI systems and seek to safely deploy them to the world through our products. AI is an extremely powerful tool that must be created with safety and human needs at its core, and to achieve our mission, we must encompass and value the many different perspectives, voices, and experiences that form the full spectrum of humanity.
We are an equal opportunity employer, and we do not discriminate on the basis of race, religion, color, national origin, sex, sexual orientation, age, veteran status, disability, genetic information, or other applicable legally protected characteristic.
For additional information, please see OpenAI's Affirmative Action and Equal Employment Opportunity Policy Statement.
Qualified applicants with arrest or conviction records will be considered for employment in accordance with applicable law, including the San Francisco Fair Chance Ordinance, the Los Angeles County Fair Chance Ordinance for Employers, and the California Fair Chance Act. For unincorporated Los Angeles County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: protect computer hardware entrusted to you from theft, loss or damage; return all computer hardware in your possession (including the data contained therein) upon termination of employment or end of assignment; and maintain the confidentiality of proprietary, confidential, and non-public information. In addition, job duties require access to secure and protected information technology systems and related data security obligations.
To notify OpenAI that you believe this job posting is non-compliant, please submit a report through this form. No response will be provided to inquiries unrelated to job posting compliance.
We are committed to providing reasonable accommodations to applicants with disabilities, and requests can be made via this link.
OpenAI Global Applicant Privacy Policy
At OpenAI, we believe artificial intelligence has the potential to help people solve immense global challenges, and we want the upside of AI to be widely shared. Join us in shaping the future of technology.
Compensation Range: $255K - $405K
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$124k-169k yearly est. 3d ago
Data Scientist, FinEng - Checkout & Monetization
Openai 4.2
Senior data scientist job in San Francisco, CA
A leading AI research firm located in San Francisco is seeking a DataScientist for Financial Engineering to enhance analytics and experimentation on checkout, payments, and monetization systems. Ideal candidates have strong backgrounds in quantitative roles, fluency in SQL and Python, and excellent communication skills. This role offers a hybrid work model with competitive compensation ranging from $255K to $405K plus equity.
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How much does a senior data scientist earn in Fort Mohave, AZ?
The average senior data scientist in Fort Mohave, AZ earns between $77,000 and $155,000 annually. This compares to the national average senior data scientist range of $90,000 to $170,000.
Average senior data scientist salary in Fort Mohave, AZ